* { box-sizing: border-box; }
html { background: #f6f8fa; color: #0a1118; font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
body { margin: 0; }
main { width: min(760px, calc(100% - 40px)); margin: 0 auto; padding: 64px 0 88px; }
.brand { color: #9a6500; font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 12px 0 8px; font-size: clamp(34px, 7vw, 52px); letter-spacing: -.04em; line-height: 1.02; }
.updated { color: #62707d; font-size: 14px; margin-bottom: 36px; }
.intro { font-size: 18px; line-height: 1.7; }
section { background: #fff; border: 1px solid #d1d9e0; border-radius: 18px; margin: 16px 0; padding: 22px; }
h2 { font-size: 19px; margin: 0 0 10px; }
p, li { color: #3d4954; font-size: 15px; line-height: 1.7; }
ul { padding-left: 20px; }
a { color: #775000; font-weight: 650; }
nav { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 32px; }
.notice { border-left: 3px solid #d48c00; padding-left: 16px; }
@media (max-width: 520px) { main { padding-top: 36px; } section { padding: 18px; } }